The named signs of papillary necrosis-- ball-on-tee, lobster claw, and signet ring refer to the radiographic patterns of papillary excavation seen with papillary necrosis.
Causes are -
Nonsteroidal anti-inflammatory drugs; Sickle cell anemia; Analgesic nephropathy; Infection, especially tuberculosis; and Diabetes mellitus (the memory aid NSAID)
Showing posts with label papillary necrosis. Show all posts
Showing posts with label papillary necrosis. Show all posts
Wednesday, September 8, 2010
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